12740422149 has 64 divisors (see below), whose sum is σ = 24596974080. Its totient is φ = 6324894720.

The previous prime is 12740422133. The next prime is 12740422169. The reversal of 12740422149 is 94122404721.

It is a happy number.

12740422149 is a `hidden beast` number, since 1 + 27 + 404 + 221 + 4 + 9 = 666.

It is not a de Polignac number, because 12740422149 - 2⁴ = 12740422133 is a prime.

It is a super-3 number, since 3×12740422149³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740422109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110742 + ... + 194279.

It is an arithmetic number, because the mean of its divisors is an integer number (384327720).

Almost surely, 2^12740422149 is an apocalyptic number.

It is an amenable number.

12740422149 is a deficient number, since it is larger than the sum of its proper divisors (11856551931).

12740422149 is a wasteful number, since it uses less digits than its factorization.

12740422149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305067 (or 305061 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12740422149 in words is "twelve billion, seven hundred forty million, four hundred twenty-two thousand, one hundred forty-nine".